First, ensure you create a DNS entry for `room.your_instance.tld`, which points to your server.You can use a CNAME entry (or an A entry and a AAAA entry).This is necessary for Let's Encrypt to validate the domain for certificate generation.
First, ensure you create a DNS entry for `room.your_instance.tld`, which points to your server.You can use a CNAME entry (or an A entry and a AAAA entry).This is necessary for Let's Encrypt to validate the domain for certificate generation.